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          <h1 class="post-title" itemprop="name headline">Android-Keyboard(自定义输入法)</h1>
        

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        <ol>
<li>Keyboard的xml文件配置<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line">&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;</span><br><span class="line">&lt;Keyboard xmlns:android=&quot;http://schemas.android.com/apk/res/android&quot;</span><br><span class="line">    android:horizontalGap=&quot;0dp&quot;</span><br><span class="line">    android:keyHeight=&quot;61dp&quot;</span><br><span class="line">    android:keyWidth=&quot;33%p&quot;</span><br><span class="line">    android:verticalGap=&quot;0dp&quot;&gt;</span><br><span class="line"></span><br><span class="line">  &lt;Row&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;49&quot;</span><br><span class="line">      android:keyEdgeFlags=&quot;left&quot;</span><br><span class="line">      android:keyLabel=&quot;1&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;50&quot;</span><br><span class="line">      android:keyLabel=&quot;2&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;51&quot;</span><br><span class="line">      android:keyLabel=&quot;3&quot;/&gt;</span><br><span class="line">  &lt;/Row&gt;</span><br><span class="line">  &lt;Row&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;52&quot;</span><br><span class="line">      android:keyEdgeFlags=&quot;left&quot;</span><br><span class="line">      android:keyLabel=&quot;4&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;53&quot;</span><br><span class="line">      android:keyLabel=&quot;5&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;54&quot;</span><br><span class="line">      android:keyLabel=&quot;6&quot;/&gt;</span><br><span class="line">  &lt;/Row&gt;</span><br><span class="line">  &lt;Row&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;55&quot;</span><br><span class="line">      android:keyEdgeFlags=&quot;left&quot;</span><br><span class="line">      android:keyLabel=&quot;7&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;56&quot;</span><br><span class="line">      android:keyLabel=&quot;8&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;57&quot;</span><br><span class="line">      android:keyLabel=&quot;9&quot;/&gt;</span><br><span class="line">  &lt;/Row&gt;</span><br><span class="line">  &lt;Row&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;48&quot;</span><br><span class="line">      android:keyEdgeFlags=&quot;left&quot;</span><br><span class="line">      android:keyLabel=&quot;0&quot;/&gt;</span><br><span class="line">    &lt;Key</span><br><span class="line">      android:codes=&quot;-5&quot;</span><br><span class="line">      android:isRepeatable=&quot;true&quot;</span><br><span class="line">      android:keyWidth=&quot;66%p&quot;</span><br><span class="line">      android:keyIcon=&quot;@mipmap/icon_number_del&quot; /&gt;</span><br><span class="line">  &lt;/Row&gt;</span><br><span class="line"></span><br><span class="line">&lt;/Keyboard&gt;</span><br></pre></td></tr></table></figure>
</li>
</ol>
<a id="more"></a>
<ol start="2">
<li><p>软键盘的布局</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line">&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;</span><br><span class="line">&lt;LinearLayout xmlns:android=&quot;http://schemas.android.com/apk/res/android&quot;</span><br><span class="line">    android:layout_width=&quot;match_parent&quot;</span><br><span class="line">    android:layout_height=&quot;match_parent&quot;</span><br><span class="line">    android:orientation=&quot;vertical&quot;</span><br><span class="line">    &gt;</span><br><span class="line">  &lt;android.inputmethodservice.KeyboardView</span><br><span class="line">      android:id=&quot;@+id/keyboard_view&quot;</span><br><span class="line">      android:layout_width=&quot;match_parent&quot;</span><br><span class="line">      android:layout_height=&quot;wrap_content&quot;</span><br><span class="line">      android:layout_gravity=&quot;center&quot;</span><br><span class="line">      android:background=&quot;@android:color/transparent&quot;</span><br><span class="line">      android:focusable=&quot;true&quot;</span><br><span class="line">      android:focusableInTouchMode=&quot;true&quot;</span><br><span class="line">      android:keyBackground=&quot;@drawable/bg_keyboard_btn&quot;</span><br><span class="line">      android:keyTextColor=&quot;@android:color/primary_text_light&quot;</span><br><span class="line">      android:keyTextSize=&quot;32sp&quot;</span><br><span class="line">      android:visibility=&quot;visible&quot;</span><br><span class="line">      /&gt;</span><br><span class="line">&lt;/LinearLayout&gt;</span><br></pre></td></tr></table></figure>
</li>
<li><p>自定义软键盘工具类</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span 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class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br></pre></td><td class="code"><pre><span class="line">package com.mazaiting;</span><br><span class="line"></span><br><span class="line">import android.annotation.TargetApi;</span><br><span class="line">import android.app.Activity;</span><br><span class="line">import android.inputmethodservice.Keyboard;</span><br><span class="line">import android.inputmethodservice.KeyboardView;</span><br><span class="line">import android.os.Build;</span><br><span class="line">import android.text.Editable;</span><br><span class="line">import android.text.InputType;</span><br><span class="line">import android.text.TextUtils;</span><br><span class="line">import android.view.Gravity;</span><br><span class="line">import android.view.View;</span><br><span class="line">import android.view.ViewGroup;</span><br><span class="line">import android.view.animation.AnimationUtils;</span><br><span class="line">import android.widget.EditText;</span><br><span class="line">import android.widget.FrameLayout;</span><br><span class="line">import com.mazaiting.keyboardviwe.R;</span><br><span class="line">import java.lang.reflect.InvocationTargetException;</span><br><span class="line">import java.lang.reflect.Method;</span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * 自定义软键盘</span><br><span class="line"> * Created by mazaiting on 2017/10/18.</span><br><span class="line"> */</span><br><span class="line"></span><br><span class="line">public class KeyBoardUtil &#123;</span><br><span class="line">  /**</span><br><span class="line">   * 显示键盘的视图</span><br><span class="line">   */</span><br><span class="line">  private Activity mActivity;</span><br><span class="line">  /**</span><br><span class="line">   * 键盘视图</span><br><span class="line">   */</span><br><span class="line">  private KeyboardView mKeyboardView;</span><br><span class="line">  /**</span><br><span class="line">   * 键盘</span><br><span class="line">   */</span><br><span class="line">  private Keyboard mKeyboard;</span><br><span class="line">  /**</span><br><span class="line">   * 输入框</span><br><span class="line">   */</span><br><span class="line">  private EditText mEditText;</span><br><span class="line">  /**</span><br><span class="line">   * 键盘布局</span><br><span class="line">   */</span><br><span class="line">  private View mViewContainer;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 焦点改变监听</span><br><span class="line">   */</span><br><span class="line">  View.OnFocusChangeListener mOnFocusChangeListener = new View.OnFocusChangeListener() &#123;</span><br><span class="line">    @Override public void onFocusChange(View view, boolean hasFocus) &#123;</span><br><span class="line">      if (hasFocus) showSoftKeyboard();</span><br><span class="line">      else hideSoftKeyboard();</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;;</span><br><span class="line">  /**</span><br><span class="line">   * 构造方法</span><br><span class="line">   * @param activity 根视图</span><br><span class="line">   */</span><br><span class="line">  public KeyBoardUtil(Activity activity)&#123;</span><br><span class="line">    this.mActivity = activity;</span><br><span class="line">    this.mKeyboard = new Keyboard(mActivity, R.xml.keyboard_view);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 绑定输入框</span><br><span class="line">   * @param editText 输入框</span><br><span class="line">   * @param isAuto 是否自动显示</span><br><span class="line">   */</span><br><span class="line">  public void attachTo(EditText editText, boolean isAuto)&#123;</span><br><span class="line">    this.mEditText = editText;</span><br><span class="line">    hideSystemSoftKeyboard(this.mEditText);</span><br><span class="line">    setAutoShowOnFocus(isAuto);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 隐藏系统软件盘</span><br><span class="line">   * @param editText 输入框</span><br><span class="line">   */</span><br><span class="line">  @TargetApi(Build.VERSION_CODES.KITKAT) private void hideSystemSoftKeyboard(EditText editText) &#123;</span><br><span class="line">    int sdkInt = Build.VERSION.SDK_INT;</span><br><span class="line">    if (sdkInt &lt; 11)&#123;</span><br><span class="line">      editText.setInputType(InputType.TYPE_NULL);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">      try &#123;</span><br><span class="line">        Class&lt;EditText&gt; cls = EditText.class;</span><br><span class="line">        Method setShowSoftInputOnFocus = cls.getMethod(&quot;setShowSoftInputOnFocus&quot;, boolean.class);</span><br><span class="line">        setShowSoftInputOnFocus.setAccessible(true);</span><br><span class="line">        setShowSoftInputOnFocus.invoke(editText, false);</span><br><span class="line">      &#125; catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) &#123;</span><br><span class="line">        e.printStackTrace();</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 焦点时自动显示</span><br><span class="line">   * @param enabled 是否显示</span><br><span class="line">   */</span><br><span class="line">  private void setAutoShowOnFocus(boolean enabled)&#123;</span><br><span class="line">    if (null == mEditText) return;</span><br><span class="line">    if (enabled) mEditText.setOnFocusChangeListener(mOnFocusChangeListener);</span><br><span class="line">    else mEditText.setOnFocusChangeListener(null);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 显示软键盘</span><br><span class="line">   */</span><br><span class="line">  public void showSoftKeyboard() &#123;</span><br><span class="line">    if (null == mViewContainer) &#123;</span><br><span class="line">      mViewContainer = mActivity.getLayoutInflater().inflate(R.layout.layout_view, null);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">      if (null != mViewContainer.getParent()) return;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    FrameLayout frameLayout = (FrameLayout) mActivity.getWindow().getDecorView();</span><br><span class="line">    KeyboardView keyboardView = mViewContainer.findViewById(R.id.keyboard_view);</span><br><span class="line">    this.mKeyboardView = keyboardView;</span><br><span class="line">    this.mKeyboardView.setKeyboard(mKeyboard);</span><br><span class="line">    this.mKeyboardView.setEnabled(true);</span><br><span class="line">    this.mKeyboardView.setPreviewEnabled(false);</span><br><span class="line">    this.mKeyboardView.setOnKeyboardActionListener(mOnKeyboardActionListener);</span><br><span class="line"></span><br><span class="line">    FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(</span><br><span class="line">        FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT);</span><br><span class="line">    layoutParams.gravity = Gravity.BOTTOM;</span><br><span class="line">    frameLayout.addView(mViewContainer, layoutParams);</span><br><span class="line">    mViewContainer.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.anim_down_to_up));</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 隐藏软键盘</span><br><span class="line">   */</span><br><span class="line">  public void hideSoftKeyboard() &#123;</span><br><span class="line">    if (null != mViewContainer &amp;&amp; null != mViewContainer.getParent())&#123;</span><br><span class="line">      mViewContainer.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.anim_up_to_down));</span><br><span class="line">      ((ViewGroup)mViewContainer.getParent()).removeView(mViewContainer);</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 判断是否显示</span><br><span class="line">   * @return true, 显示; false, 不显示</span><br><span class="line">   */</span><br><span class="line">  public boolean isShowing()&#123;</span><br><span class="line">    if (null == mViewContainer) return false;</span><br><span class="line">    return mViewContainer.getVisibility() == View.VISIBLE;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  KeyboardView.OnKeyboardActionListener mOnKeyboardActionListener = new KeyboardView.OnKeyboardActionListener() &#123;</span><br><span class="line">    @Override public void onPress(int i) &#123;&#125;</span><br><span class="line">    @Override public void onRelease(int i) &#123;&#125;</span><br><span class="line"></span><br><span class="line">    @Override public void onKey(int primaryCode, int[] keyCodes) &#123;</span><br><span class="line">      if (null != mEditText) keyCode(primaryCode, mEditText);</span><br><span class="line">      mKeyboardView.postInvalidate();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override public void onText(CharSequence charSequence) &#123;&#125;</span><br><span class="line">    @Override public void swipeLeft() &#123;&#125;</span><br><span class="line">    @Override public void swipeRight() &#123;&#125;</span><br><span class="line">    @Override public void swipeDown() &#123;&#125;</span><br><span class="line">    @Override public void swipeUp() &#123;&#125;</span><br><span class="line">  &#125;;</span><br><span class="line"></span><br><span class="line">  /**</span><br><span class="line">   * 字符</span><br><span class="line">   * @param primaryCode 主要字符</span><br><span class="line">   * @param editText 编辑框</span><br><span class="line">   */</span><br><span class="line">  private void keyCode(int primaryCode, EditText editText) &#123;</span><br><span class="line">    Editable editable = editText.getText();</span><br><span class="line">    int start = editText.getSelectionStart();</span><br><span class="line">    if (primaryCode == Keyboard.KEYCODE_DELETE) &#123; // 回退</span><br><span class="line">      if (editText.hasFocus()) &#123;</span><br><span class="line">        if (!TextUtils.isEmpty(editable))&#123;</span><br><span class="line">          if (start &gt; 0) editable.delete(start - 1, start);</span><br><span class="line">        &#125;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; else if (primaryCode == Keyboard.KEYCODE_SHIFT) &#123; // 大小写切换</span><br><span class="line">      mKeyboardView.setKeyboard(mKeyboard);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">      if (editText.hasFocus()) editable.insert(start, Character.toString((char) primaryCode));</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p>使用</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line">package com.mazaiting.keyboardview;</span><br><span class="line"></span><br><span class="line">import android.support.v7.app.AppCompatActivity;</span><br><span class="line">import android.os.Bundle;</span><br><span class="line">import android.view.View;</span><br><span class="line">import android.widget.EditText;</span><br><span class="line">import com.mazaiting.KeyBoardUtil;</span><br><span class="line"></span><br><span class="line">public class MainActivity extends AppCompatActivity &#123;</span><br><span class="line">  private EditText editText;</span><br><span class="line">  private KeyBoardUtil mKeyBoardUtil;</span><br><span class="line">  @Override protected void onCreate(Bundle savedInstanceState) &#123;</span><br><span class="line">    super.onCreate(savedInstanceState);</span><br><span class="line">    setContentView(R.layout.activity_main);</span><br><span class="line"></span><br><span class="line">    editText = (EditText) this.findViewById(R.id.editText);</span><br><span class="line">    mKeyBoardUtil = new KeyBoardUtil(this);</span><br><span class="line">    mKeyBoardUtil.attachTo(editText, true);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  /**显示*/</span><br><span class="line">  public void show(View view)&#123;</span><br><span class="line">    mKeyBoardUtil.showSoftKeyboard();</span><br><span class="line">  &#125;</span><br><span class="line">  /**隐藏*/</span><br><span class="line">  public void hide(View view)&#123;</span><br><span class="line">    mKeyBoardUtil.hideSoftKeyboard();</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
</ol>
<p><a href="https://gitee.com/zaitingma/codes/c89muh1nwq3z2iob0frkv81" target="_blank" rel="noopener">代码下载</a></p>

      
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